1. Making airport layovers suck just a little bit less.
2. Finding people to go out with when traveling with family.
3. Finding someone - anyone - else who speaks the same language.
4. Meeting locals.
5. Getting a feel for the local talent before going out.
Used right, Tinder can be a useful tool for young travelers, whether they're looking for friends, fellow countrymen, or just a way to waste time. If the expectations are set in advance and both party's desires are clear, the world is your oyster. All that said, if you just wanna find someone and get your freak on, you can totally still do that too.